Robotic arm



FIG. 1 is a back view of the upper joint of a robotic arm showing ournew design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear left perspective view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a front left perspective view thereof;

FIG. 7 is a perspective view thereof in context;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a top view thereof.

The portions of the robotic arm, shown overexposed in FIG. 15 is for thepurpose of illustrating environment that forms no part of the claimeddesign.

CLAIM The ornamental design for a robotic arm, as shown and described.